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GB2012430B - Megnetic locator - Google Patents

Megnetic locator

Info

Publication number
GB2012430B
GB2012430B GB791084A GB7901084A GB2012430B GB 2012430 B GB2012430 B GB 2012430B GB 791084 A GB791084 A GB 791084A GB 7901084 A GB7901084 A GB 7901084A GB 2012430 B GB2012430 B GB 2012430B
Authority
GB
United Kingdom
Prior art keywords
megnetic
locator
megnetic locator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB791084A
Other versions
GB2012430A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schonstedt Instrument Co LLC
Original Assignee
Schonstedt Instrument Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schonstedt Instrument Co LLC filed Critical Schonstedt Instrument Co LLC
Publication of GB2012430A publication Critical patent/GB2012430A/en
Application granted granted Critical
Publication of GB2012430B publication Critical patent/GB2012430B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB791084A 1978-01-11 1979-01-11 Megnetic locator Expired GB2012430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/868,723 US4163877A (en) 1978-01-11 1978-01-11 Housing for circuitry and loudspeaker of a magnetic locator shields and resiliently mounts the loudspeaker

Publications (2)

Publication Number Publication Date
GB2012430A GB2012430A (en) 1979-07-25
GB2012430B true GB2012430B (en) 1982-08-18

Family

ID=25352211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB791084A Expired GB2012430B (en) 1978-01-11 1979-01-11 Megnetic locator

Country Status (6)

Country Link
US (1) US4163877A (en)
JP (1) JPS54103079A (en)
CA (1) CA1141003A (en)
DE (1) DE2901163C2 (en)
FR (1) FR2414735A1 (en)
GB (1) GB2012430B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106175A (en) * 1989-12-28 1992-04-21 At&T Bell Laboratories Locatable object suitable for underground use and methods of locating same
US5136245A (en) * 1990-05-25 1992-08-04 Schonstedt Instrument Company Magnetic detection apparatus with sensors mounted on channel or angle cantilever support
US5138761A (en) * 1990-05-25 1992-08-18 Schonstedt Instrument Company Method of manufacturing magnetic detection apparatus
US5097211A (en) * 1990-05-25 1992-03-17 Schonstedt Instrument Company Magnetic detection appartaus with plastic housing and sound-transmissive handle
US5608810A (en) * 1994-09-02 1997-03-04 Velodyne Acoustics, Inc. Loudspeaker structure
DE29811404U1 (en) * 1998-06-25 1998-09-10 Fa. Ing. Klaus Ebinger, 51149 Köln Probe device
US20050067216A1 (en) * 2003-09-30 2005-03-31 Werner Schuhmann Waterproof patient handset
FR2913846B1 (en) * 2007-03-15 2009-06-26 Haliaetus Technologies Soc Par METHOD FOR AERODYNAMIC CHARGE OF A SPEAKER AND AUDIO REPRODUCING DEVICE USING THE SAME
CN101588395A (en) * 2008-05-21 2009-11-25 深圳富泰宏精密工业有限公司 Electronic device with loudspeaker
US8653814B2 (en) * 2010-01-06 2014-02-18 Vrhalibis, Llc Housing for a magnetometer, a combination including a magnetometer within a waterproof housing, and a system and method for location and removal of unexploded ordinance underwater
DE202010014054U1 (en) * 2010-10-07 2011-02-17 Okm Gmbh Arrangement for operating a hand-held geophysical locating device
CN102917290A (en) * 2011-08-04 2013-02-06 富泰华工业（深圳）有限公司 Earphone and manufacturing method thereof
US9191758B2 (en) * 2013-10-24 2015-11-17 Logitech Europe, S.A. Manufacturing process for a custom fit in-ear monitor utilizing a single piece driver module
US10065396B2 (en) * 2014-01-22 2018-09-04 Crucible Intellectual Property, Llc Amorphous metal overmolding
WO2015179975A1 (en) 2014-05-30 2015-12-03 Revol Technologies Inc. A customizable ear insert
US10869115B2 (en) 2018-01-03 2020-12-15 Logitech Europe S.A. Apparatus and method of forming a custom earpiece

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738419A (en) * 1952-07-26 1956-03-13 Motorola Inc Radio receiver apparatus
FR1077151A (en) * 1953-03-25 1954-11-04 Enhancements to Loudspeaker Devices
GB1185288A (en) * 1968-09-06 1970-03-25 Utility Tools Company Apparatus for Locating and Tracing Electrically Conductive Structures
US3662255A (en) * 1970-04-13 1972-05-09 Charles L Garrett Apparatus for locating concealed or buried metal bodies and a stable inductor usable in such detectors
US3894283A (en) * 1972-11-03 1975-07-08 Schonstedt Instrument Co Magnetic locator including sensors mounted in longitudinal grooves of a tubular support
JPS5554068Y2 (en) * 1974-04-30 1980-12-15

Also Published As

Publication number Publication date
FR2414735A1 (en) 1979-08-10
DE2901163C2 (en) 1983-03-24
DE2901163A1 (en) 1979-07-12
JPS54103079A (en) 1979-08-14
GB2012430A (en) 1979-07-25
FR2414735B1 (en) 1983-10-14
CA1141003A (en) 1983-02-08
US4163877A (en) 1979-08-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940111